Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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Goop_reformed

Senior member
Sep 23, 2023
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Well it depends.
What we know so far: 16% PPC in mixed (nT/1T) workloads with basically no area penalty (the core itself is bigger, but the L3 is smaller, so it cancels out) and no clock regression in 1T at least. What we don't know is how much power it pulls. So it may very well end up a very successful core PPA-wise.

If you were expecting a chonker INT max go brrr core, then I guess so?

edit: it also seems like Z5 is one angry little FP shredder.

I expect an average of 25% plus across a variety of benches, not just INT

"At the end of the day, we give you more performance without increasing power, and at the end of the day, we give you more performance without increasing the heat. At the end of the day, we bought a non-X3D chip very close to an X3D chip when it comes to gaming,"

Someone should tell the guy they are not giving all that for free.
And if they were not giving it, "at the end of the day", why exactly should anyone consider buying it.

They are not for free, obviously as you have to pay for the new cores, obviously.

According to TomsHardware it's 29.5%. Good luck with waiting.

I believe the guy was talking about single core performance, but if the 9700x can come closer to 29.5% then it'd be an amazing feat.
 

blackangus

Member
Aug 5, 2022
115
161
76
This is pretty bad.
Im not sure why one would think that the non-x3d version Zen5 would beat the x3d version of Zen4?
I mean thats apples to oranges.
If a workload benefits from much larger cache, then w/o it its going to perform worse there is no magic to make that scenario change much unless you get much higher bandwidth through out the whole memory subsystem.
With the same memory and latency that proposition isnt going to change.
 

rainy

Senior member
Jul 17, 2013
508
427
136
Probably not. We're discussing an article from TH:
"AMD's Ryzen 9000 won't beat the previous-gen X3D models in gaming, but they'll be close — improved 3D V-Cache coming, too"
If hypothetically 9700x will be in striking distance (a few percent slower) from 7800X3D, then it would be a very decent result, isn't?
 

Elfear

Diamond Member
May 30, 2004
7,114
690
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It is a little disappointing that the 9700X will lag the 7800X3D in gaming, even if it's just by single digits. When the 7700X launched it was a bit faster than the 5800X3D.

"It's encouraging to see that all three Zen 4 CPUs tested so far are faster than the 5800X3D, and that's not something we were expecting to find going into this testing." Link

 

Makaveli

Diamond Member
Feb 8, 2002
4,760
1,155
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Im not sure why one would think that the non-x3d version Zen5 would beat the x3d version of Zen4?
I mean thats apples to oranges.
If a workload benefits from much larger cache, then w/o it its going to perform worse there is no magic to make that scenario change much unless you get much higher bandwidth through out the whole memory subsystem.
With the same memory and latency that proposition isnt going to change.
Because someone said that online and everyone just ran with it like wildfire which isn't surprising these days. And then when it doesn't mean their expectation based on a rumor everyone's cry's foul.
 

CouncilorIrissa

Senior member
Jul 28, 2023
297
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It is a little disappointing that the 9700X will lag the 7800X3D in gaming, even if it's just by single digits. When the 7700X launched it was a bit faster than the 5800X3D.

"It's encouraging to see that all three Zen 4 CPUs tested so far are faster than the 5800X3D, and that's not something we were expecting to find going into this testing." Link

View attachment 100982
Zen 4 had the luxury of transitioning to DDR5 compared to 5800X3D running DDR4, though. So a chunk of performance came from faster memory.

Zen 5 is mid at best
reddit moment
 

Joe NYC

Platinum Member
Jun 26, 2021
2,324
2,929
106
"At the end of the day, we give you more performance without increasing power, and at the end of the day, we give you more performance without increasing the heat. At the end of the day, we bought a non-X3D chip very close to an X3D chip when it comes to gaming,"

Someone should tell the guy they are not giving all that for free.
And if they were not giving it, "at the end of the day", why exactly should anyone consider buying it.

Maybe one of the future uses of AI: jargon identification / jargon removal.

Maybe a younger generation missed out on reading Dilbert Comics.
 

Goop_reformed

Senior member
Sep 23, 2023
246
301
96
One thing nobody (almost nobody) else cares about. I want close to 50% avx-512 performance. For DC purposes.
Because nobody (almost nobody) cares about avx-512, at least for us plebs anyway. What I care is the gaming and general performance uplift, which seems VERY disappointing so far unfortunately.
 

Thunder 57

Platinum Member
Aug 19, 2007
2,811
4,092
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7600x:
$299 MSRP
$189 current;y at MicroCenter

7800x3d:
$449 MSRP
$319 currently at MicroCenter

Assuming 9700x MSRP is $299 and performance is close to $319 7900x3d, that would be quite acceptable. And assumption is that there will be some discounts on 9700x later in its lifetime.

I don't see how AMD sets the MSRP for the 9700X at $299 when the MSRP for the 7700X was $399. It is true though that Zen 4 prices cratered pretty quickly. Maybe AMD learned from that. I doubt it. They can be their own worst enemy at times.

Because nobody (almost nobody) cares about avx-512, at least for us plebs anyway. What I care is the gaming and general performance uplift, which seems VERY disappointing so far unfortunately.

Based on what? Overblown expectations?
 

Joe NYC

Platinum Member
Jun 26, 2021
2,324
2,929
106
Because nobody (almost nobody) cares about avx-512, at least for us plebs anyway. What I care is the gaming and general performance uplift, which seems VERY disappointing so far unfortunately.

We need to keep in mind that datacenter is a more strategic area for AMD, and in datacenter (and HPC), there are more uses of AVX-512. For example, AI differencing running on CPU, without a GPU. That may be far more economical approach for lightly loaded system without spending arm and a leg on NVidia hardware.

We may hear more about this at the time of official Turin release.
 
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